Introduction of an electron push-pull system yields a planar Red Kaede fluorescence protein chromophore analogue stabilized by a C = O…π interaction / created by Ashish Singh, Basanta Kumar Rajbongshi and Gurunath Ramanathan

By:

Singh, Ashish [author]

Contributor(s):

Material type: Text

TextSeries: Journal of chemical sciences ; Volume 127, number 5,Bangalore : Springer, 2015Content type:

text

Media type:

unmediated

Carrier type:

volume

ISSN:

09743626

Subject(s):

Imidazolin-5-one -- RFP chromophore -- C = O…π stacking

LOC classification:

QD31 JOU

Online resources:

Click here to access online

Abstract: Crystal structures of four red kaede fluorescence protein chromophore analogues are reported here. Molecules I-III adopt a non-planar geometry stabilized by π…π stacking and hydrogen bonding. Introduction of an electron push-pull system induces molecule IV to be planar and a C = O…π supramolecular interaction is observed as well. Strong electron withdrawing and donating groups also ensure formation of a higher order two and three dimensional supramolecular architecture through hydrogen bonds in molecules I and IV. All the analogues exhibit good photoluminescence properties and emit in the red region with excellent quantum yields.

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Item type	Current library	Call number	Vol info	Status	Notes	Date due	Barcode
Journal Article	Main Library - Special Collections	QD31 JOU (Browse shelf(Opens below))	Vol. 127, no.5 (pages 941-948)	Not for loan	For in house use only

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Crystal structures of four red kaede fluorescence protein chromophore analogues are reported here. Molecules I-III adopt a non-planar geometry stabilized by π…π stacking and hydrogen bonding. Introduction of an electron push-pull system induces molecule IV to be planar and a C = O…π supramolecular interaction is observed as well. Strong electron withdrawing and donating groups also ensure formation of a higher order two and three dimensional supramolecular architecture through hydrogen bonds in molecules I and IV. All the analogues exhibit good photoluminescence properties and emit in the red region with excellent quantum yields.

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